22211322112 has 108 divisors (see below), whose sum is σ = 52078143936. Its totient is φ = 9426170880.

The previous prime is 22211322079. The next prime is 22211322127. The reversal of 22211322112 is 21122311222.

It is a self number, because there is not a number n which added to its sum of digits gives 22211322112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1283437 + ... + 1300627.

Almost surely, 2^22211322112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26039071968).

22211322112 is an abundant number, since it is smaller than the sum of its proper divisors (29866821824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22211322112 is a wasteful number, since it uses less digits than its factorization.

22211322112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17324 (or 17303 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

Adding to 22211322112 its reverse (21122311222), we get a palindrome (43333633334).

The spelling of 22211322112 in words is "twenty-two billion, two hundred eleven million, three hundred twenty-two thousand, one hundred twelve".